CN105140623B - The communication terminal of antenna system and the application antenna system - Google Patents
The communication terminal of antenna system and the application antenna system Download PDFInfo
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- CN105140623B CN105140623B CN201510438447.1A CN201510438447A CN105140623B CN 105140623 B CN105140623 B CN 105140623B CN 201510438447 A CN201510438447 A CN 201510438447A CN 105140623 B CN105140623 B CN 105140623B
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- antenna
- signal source
- gap
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- feed
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Support Of Aerials (AREA)
Abstract
A kind of antenna system,Including first antenna,Second antenna,Third antenna,First signal source,Secondary signal source,3rd signal source,First separator,Second separator and ground plane,The first antenna is connected with the first signal source and ground plane,Second antenna is connected with secondary signal source and ground plane,The third antenna is connected with the 3rd signal source and ground plane,The first gap is formed between the first antenna and the second antenna,The second gap is formed between second antenna and third antenna,First separator is arranged between first gap and the ground plane,And it is connected with the ground plane,For lifting the isolation between the first antenna and the second antenna,Second separator is arranged between second gap and the ground plane,And it is connected with the ground plane,For lifting the isolation between second antenna and third antenna.The antenna system has preferable isolation between antennas.The present invention also provides a kind of communication terminal.
Description
Technical field
The present invention relates to wireless communication field, more particularly to a kind of antenna system and the communication end using the antenna system
End.
Background technology
In the communication terminals such as mobile phone, tablet personal computer, for launching and receiving radio wave to transmit, exchange radio communication
One of the antenna module of signal, undoubtedly most important component.With the popularization of fourth generation mobile communication technology, mobile communication neck
Requirement of the domain to communication terminal wide bandwidth, multiple antennas is more and more urgent.Meanwhile using mobile phone it is the communication terminal of representative just towards light
The direction of thinning is developed so that terminal inner free space is limited.In recent years, the antenna system of mobile communication frequency range covering the whole world
The standard configuration of mobile phone is increasingly becoming, in this antenna system, diversity antenna needs to cover 729-960MHz, 1805-2690MHz frequencies
Section.It is full frequency band day that the isolation between each band antenna, which how to be improved, to reduce the mutual interference between antenna, improve radiance
The key point of line system design.At present, the method for improving the isolation between antenna mainly has following three kinds：1) increase is passed through
Space length between each antenna, to improve isolation between antennae；2) by introducing electro-magnetic bandgap (Electromagnetic
Band Gap, EBG) etc. microwave periodic structure suppress surface wave, reduce the influence of mutual coupling between each antenna, so as to improve antenna
Between isolation；3) by increasing decoupling network in antenna port, to improve isolation between antenna.However, methods described 1)
Obviously with the minimizing of mobile phone, lightening trend is disagreed；Methods described 2) currently also it is difficult in small communication terminals such as mobile phones
Upper realization；Methods described 3) means are single, preferable isolation effect can not be often obtained in practice.
The content of the invention
In view of problem above present in prior art, the present invention provides a kind of preferable antenna system of isolation, passes through
Set separator to lift the isolation between antenna, on the premise of do not increase antenna system space-consuming, lifting antenna every
From effect.
In addition, the present invention also provides a kind of communication terminal using the antenna system.
A kind of antenna system, including first antenna, the second antenna, third antenna, the first signal source, secondary signal source,
Three signal sources, the first separator, the second separator and ground plane, the first antenna and first signal source and the ground connection
Face is electrically connected with, and second antenna is electrically connected with the secondary signal source and the ground plane, the third antenna and institute
State the 3rd signal source and the ground plane be electrically connected with, the first gap is formed between the first antenna and second antenna,
Form the second gap between second antenna and the third antenna, first separator be arranged at first gap with
Between the ground plane, and be connected with the ground plane, for lifted between the first antenna and second antenna every
From degree, second separator is arranged between second gap and the ground plane, and is connected with the ground plane, is used for
Lift the isolation between second antenna and the third antenna.
Wherein, the first antenna, the second antenna and third antenna form loop aerial structure, first signal respectively
Source is used to provide the first FD feed for the first antenna, and the secondary signal source is used to provide second for second antenna
FD feed, the 3rd signal source are used to provide the 3rd FD feed for the third antenna；The ground plane is used for for institute
State first antenna, the second antenna and third antenna and ground connection effect is provided.
Wherein, the first antenna is electrically connected with close to the one end in first gap and first signal source, described
The one end of first antenna away from first gap is connected with the ground plane；Second antenna is close to second gap
One end is electrically connected with the secondary signal source, and the one end of second antenna away from second gap connects with the ground plane
Connect；The third antenna is electrically connected with close to the one end in second gap and the 3rd signal source, and the third antenna is remote
One end from second gap is connected with the ground plane.
Wherein, the antenna system also include first switching switch and the first electric capacity, it is described first switching switch with it is described
First electric capacity is in parallel, and the first antenna passes through the described first switching switch and described first close to the one end in first gap
Electric capacity is electrically connected with first signal source；When the described first switching switch conduction, the first antenna is directly from described
First signal source obtains the first FD feed, and when the described first switching switches off, the first antenna passes through described first
Electric capacity obtains the first FD feed in a manner of coupling feed-in from first signal source.
Wherein, the antenna system also includes the second switching switch and the second electric capacity, and the first antenna is close to described the
The one end in one gap is electrically connected with by second electric capacity and first signal source, to be coupled by second electric capacity
The mode of feed-in obtains the first FD feed from first signal source；The one end of second antenna away from second gap
Be connected by the described second switching switch with the ground plane, second switching, which switchs, comprises at least the first toggle path and the
Two toggle paths, when first toggle path turns on, second antenna is grounded by first toggle path, works as institute
When stating the conducting of the second toggle path, second antenna is grounded by second toggle path.
A kind of communication terminal, including antenna system, the antenna system include first antenna, the second antenna, third antenna,
First signal source, secondary signal source, the 3rd signal source, the first separator, the second separator and ground plane, the first antenna with
First signal source and the ground plane are electrically connected with, second antenna and the secondary signal source and ground plane electricity
Property connection, the third antenna and the 3rd signal source and the ground plane be electrically connected with, the first antenna and described the
The first gap is formed between two antennas, forms the second gap between second antenna and the third antenna, described first every
Off member is arranged between first gap and the ground plane, and is connected with the ground plane, for being lifted described first day
Isolation between line and second antenna, second separator be arranged at second gap and the ground plane it
Between, and be connected with the ground plane, for lifting the isolation between second antenna and the third antenna.
Wherein, the first antenna, the second antenna and third antenna form loop aerial structure, first signal respectively
Source is used to provide the first FD feed for the first antenna, and the secondary signal source is used to provide second for second antenna
FD feed, the 3rd signal source are used to provide the 3rd FD feed for the third antenna；The ground plane is used for for institute
State first antenna, the second antenna and third antenna and ground connection effect is provided.
Wherein, the first antenna is electrically connected with close to the one end in first gap and first signal source, described
The one end of first antenna away from first gap is connected with the ground plane；Second antenna is close to second gap
One end is electrically connected with the secondary signal source, and the one end of second antenna away from second gap connects with the ground plane
Connect；The third antenna is electrically connected with close to the one end in second gap and the 3rd signal source, and the third antenna is remote
One end from second gap is connected with the ground plane.
Wherein, the antenna system also include first switching switch and the first electric capacity, it is described first switching switch with it is described
First electric capacity is in parallel, and the first antenna passes through the described first switching switch and described first close to the one end in first gap
Electric capacity is electrically connected with first signal source；When the described first switching switch conduction, the first antenna is directly from described
First signal source obtains the first FD feed, and when the described first switching switches off, the first antenna passes through described first
Electric capacity obtains the first FD feed in a manner of coupling feed-in from first signal source.
Wherein, the antenna system also includes the second switching switch and the second electric capacity, and the first antenna is close to described the
The one end in one gap is electrically connected with by second electric capacity and first signal source, to be coupled by second electric capacity
The mode of feed-in obtains the first FD feed from first signal source；The one end of second antenna away from second gap
Be connected by the described second switching switch with the ground plane, second switching, which switchs, comprises at least the first toggle path and the
Two toggle paths, when first toggle path turns on, second antenna is grounded by first toggle path, works as institute
When stating the conducting of the second toggle path, second antenna is grounded by second toggle path.
Antenna system of the present invention is lifted described first day by setting first separator and the second separator
Isolation between line, the second antenna and third antenna, without increasing antenna system space-consuming, and with preferable antenna every
From effect.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the antenna system of first embodiment of the invention.
Fig. 2 is the structural representation of the antenna system of second embodiment of the invention.
Fig. 3 is the structural representation of the antenna system of third embodiment of the invention.
Fig. 4 is the structural representation of the communication terminal of fourth embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Referring to Fig. 1, first embodiment of the invention provides a kind of antenna system 100, it is applied to mobile phone, tablet personal computer etc.
In communication terminal, for launching and receiving radio wave to transmit, exchange wireless communication signals.
The antenna system 100 include first antenna 110, the second antenna 120, third antenna 130, the first signal source 140,
Secondary signal source 150, the 3rd signal source 160, ground plane 170, the first separator 180 and the second separator 190.Described first day
The 130 spaced setting of line 110, the second antenna 120 and third antenna, the first antenna 110 and second antenna 120 it
Between form the first gap S1, form the second gap S2 between second antenna and the third antenna 130.First gap
S1 and the second gap S2 are filled by non-conducting material, by the first antenna 110, the second antenna 120 and third antenna
130 connect into an entirety.In the present embodiment, the first antenna 110, the second antenna 120 and third antenna 130 are by described
The metal edge frame of communication terminal cuts to be formed, and the first antenna 110, the second antenna 120 and third antenna 130 form ring respectively
Shape antenna structure.First signal source 140 is used to provide the first FD feed for the first antenna 110；Second letter
Number source 150 is used to provide the second FD feed for second antenna 120；3rd signal source 160 is used to be the described 3rd
Antenna 130 provides the 3rd FD feed；The ground plane 170 is used for for the first antenna 110, the second antenna 120 and the 3rd
Antenna 130 provides ground connection effect.
Specifically, the first antenna 110 is electrical close to one end of the first gap S1 and first signal source 140
Connection, to obtain the first FD feed from first signal source 140；The first antenna 110 is away from the first gap S1
One end be connected with the ground plane 170, to be grounded by the ground plane 170.Second antenna 120 is close to described second
Gap S2 one end is electrically connected with the secondary signal source 150, to obtain the second feed-in letter from the secondary signal source 150
Number；The one end of second antenna 120 away from the second gap S2 is connected with the ground plane 170, to pass through the ground connection
Face 170 is grounded.The third antenna 130 is electrically connected with close to one end of the second gap S2 and the 3rd signal source 160,
To obtain the 3rd FD feed from the 3rd signal source 160；The one end of the third antenna 130 away from the second gap S2
It is connected with the ground plane 170, to be grounded by the ground plane 170.In the present embodiment, the feed-in of first antenna 110
First FD feed forms high frequency diversity antenna, its working frequency range covering 1805-2690MHz.Second antenna 120 is presented
Enter second FD feed and form GPS/Compass antennas, wherein second FD feed is GLONASS
(GNSS, Global Navigation Satellite System) radiofrequency signal.The 3rd described in the feed-in of third antenna 130
FD feed forms Wi-Fi/ Bluetooth antennas, wherein the 3rd FD feed is WLAN radiofrequency signals.
First separator 180 is arranged between the first gap S1 and the ground plane 170, and with the ground connection
Face 170 connects.First separator 180 is used to lift the isolation between the first antenna 110 and second antenna 120
Degree.Second separator 190 is arranged between the second gap S2 and the ground plane 170, and with the ground plane 170
Connection.Second separator 190 is used to lift the isolation between second antenna 120 and the third antenna 130.
In the present embodiment, first separator 180 is the camera module metal reinforcement part of the communication terminal, itself and the ground plane
170 connect as one formula metal structure.Second separator 190 is the outsourcing PCB of the earphone base pad of the communication terminal
Cabling, it is electrically connected with the ground plane 170 with most short path.First separator 180 and the ground plane 170 it
Between impedance be less than 1 ohm；And the impedance between second separator 190 and the ground plane 170 is less than 1 ohm.It is described
First gap S1 and the second gap S2 width is 1mm or so.The first antenna 110, the second antenna 120 and the 3rd day
Isolation is realized by first separator 180 and second separator 190 ground connection between line 130, so that described the
Between one antenna 110, the second antenna 120 and third antenna 130 when the first gap S1 and the second gap S2 is 1mm or so
Still there is preferable isolation.
Referring to Fig. 2, second embodiment of the invention provides a kind of antenna system 200, it is applied to mobile phone, tablet personal computer etc.
In communication terminal, for launching and receiving radio wave to transmit, exchange wireless communication signals.The antenna system 200 includes
First antenna 210, the second antenna 220, third antenna 230, the first signal source 240, secondary signal source 250, the 3rd signal source
260th, ground plane 270, the first separator 280 and the second separator 290.The first antenna 210, the second antenna 220 and the 3rd
230 spaced setting of antenna, forms the first gap S1 between the first antenna 210 and second antenna 220, and described
The second gap S2 is formed between two antennas and the third antenna 230.The first gap S1 and the second gap S2 are by non-
Conductive material is filled, and the first antenna 210, the second antenna 220 and third antenna 230 are connected into an entirety.At this
In embodiment, the first antenna 210, the second antenna 220 and third antenna 230 are cut by the metal edge frame of the communication terminal
Formed, the first antenna 210, the second antenna 220 and third antenna 230 form loop aerial structure respectively.First letter
Number source 240 is used to provide the first FD feed for the first antenna 210；The secondary signal source 250 is used to be described second
Antenna 220 provides the second FD feed；3rd signal source 260 is used to provide the 3rd feed-in letter for the third antenna 230
Number；The ground plane 270 is used to provide ground connection effect for the first antenna 210, the second antenna 220 and third antenna 230.
Specifically, the antenna system 200 also includes the first switching switch SW and the first electric capacity C1.The first antenna
210 switch SW1 and the first electric capacity C1 and described first close to one end of the first gap S1 by the described first switching
Signal source 240 is electrically connected with, directly to obtain the first FD feed from first signal source 240 or pass through first electric capacity
C1 obtains the first FD feed in a manner of coupling feed-in from first signal source 240；The first antenna 210 is away from described
First gap S1 one end is connected with the ground plane 270, to be grounded by the ground plane 270.Wherein, first switching
It is in parallel with the first electric capacity C1 to switch SW1, the first switching switch SW1 has the two states that are turned on or off, when described
First switching switch SW1 conducting when, the first antenna 210 by described first switching switch SW1 directly with described first letter
Number source 240 is electrically connected with, and when the described first switching switch SW1 disconnects, the first antenna 210 passes through the first electric capacity C1
It is electrically connected with first signal source 240.Second antenna 220 is close to one end of the second gap S2 and described second
Signal source 250 is electrically connected with, to obtain the second FD feed from the secondary signal source 250；Second antenna 220 is away from institute
The one end for stating the second gap S2 is connected with the ground plane 270, to be grounded by the ground plane 270.The third antenna 230
It is electrically connected with close to one end of the second gap S2 with the 3rd signal source 260, to be obtained from the 3rd signal source 260
3rd FD feed；The one end of the third antenna 230 away from the second gap S2 is connected with the ground plane 270, with logical
The ground plane 270 is crossed to be grounded.
In the present embodiment, when the described first switching switch SW1 conductings, first described in the feed-in of first antenna 210
FD feed forms high frequency diversity antenna, its working frequency range covering 1805-2690MHz；When the described first switching switch SW1 disconnects
When, the first electric capacity C1, the first FD feed is formed the first antenna 210 described in feed-in in a manner of coupling feed-in
Low frequency diversity antenna, its working frequency range covering 869-960MHz.Second FD feed described in the feed-in of second antenna 220 is formed
GPS/Compass antennas, wherein second FD feed is GNSS radiofrequency signals.Described in the feed-in of third antenna 230
Three FD feeds form Wi-Fi/ Bluetooth antennas, wherein the 3rd FD feed is WLAN radiofrequency signals.
First separator 280 is arranged between the first gap S1 and the ground plane 270, and with the ground connection
Face 270 connects.First separator 280 is used to lift the isolation between the first antenna 210 and second antenna 220
Degree.Second separator 290 is arranged between the second gap S2 and the ground plane 270, and with the ground plane 270
Connection.Second separator 290 is used to lift the isolation between second antenna 220 and the third antenna 230.
In the present embodiment, first separator 280 is the camera module metal reinforcement part of the communication terminal, itself and the ground plane
270 connect as one formula metal structure.Second separator 290 is the outsourcing PCB of the earphone base pad of the communication terminal
Cabling, it is electrically connected with the ground plane 270 with most short path.First separator 280 and the ground plane 270 it
Between impedance be less than 1 ohm；And the impedance between second separator 290 and the ground plane 270 is less than 1 ohm.It is described
First gap S1 and the second gap S2 width is 1mm or so.The first antenna 210, the second antenna 220 and the 3rd day
Isolation is realized by first separator 280 and second separator 290 ground connection between line 230, so that described the
Between one antenna 210, the second antenna 220 and third antenna 230 when the first gap S1 and the second gap S2 is 1mm or so
Still there is preferable isolation.
Referring to Fig. 3, third embodiment of the invention provides a kind of antenna system 300, it is applied to mobile phone, tablet personal computer etc.
In communication terminal, for launching and receiving radio wave to transmit, exchange wireless communication signals.The antenna system 300 includes
First antenna 310, the second antenna 320, third antenna 330, the first signal source 340, secondary signal source 350, the 3rd signal source
360th, ground plane 370, the first separator 380 and the second separator 390.The first antenna 310, the second antenna 320 and the 3rd
330 spaced setting of antenna, forms the first gap S1 between the first antenna 310 and second antenna 320, and described
The second gap S2 is formed between two antennas and the third antenna 330.The first gap S1 and the second gap S2 are by non-
Conductive material is filled, and the first antenna 310, the second antenna 320 and third antenna 330 are connected into an entirety.At this
In embodiment, the first antenna 310, the second antenna 320 and third antenna 330 are cut by the metal edge frame of the communication terminal
Formed, the first antenna 310, the second antenna 320 and third antenna 330 form loop aerial structure respectively.First letter
Number source 340 is used to provide the first FD feed for the first antenna 310；The secondary signal source 350 is used to be described second
Antenna 320 provides the second FD feed；3rd signal source 360 is used to provide the 3rd feed-in letter for the third antenna 330
Number；The ground plane 370 is used to provide ground connection effect for the first antenna 310, the second antenna 320 and third antenna 330.
Specifically, the antenna system 300 also includes the switching switches of the second electric capacity C2 and second SW2.The first antenna
310 are electrically connected with close to one end of the first gap S1 by the second electric capacity C2 and first signal source 340, with logical
Cross the second electric capacity C2 and obtain the first FD feed from first signal source 340 in a manner of coupling feed-in；Described first
The one end of antenna 310 away from the first gap S1 is connected with the ground plane 370, to be grounded by the ground plane 370.Institute
State the second antenna 320 to be electrically connected with close to one end of the second gap S2 and the secondary signal source 350, with from described second
Signal source 350 obtains the second FD feed；The one end of second antenna 320 away from the second gap S2 passes through described second
Switching switch SW2 is connected with the ground plane 370, switches different grounding paths to switch SW2 by the described second switching.Institute
State third antenna 330 to be electrically connected with close to one end of the second gap S2 and the 3rd signal source 360, with from the described 3rd
Signal source 360 obtains the 3rd FD feed；The one end of the third antenna 330 away from the second gap S2 and the ground plane
370 connections, to be grounded by the ground plane 370.
In the present embodiment, the first antenna 310 passes through the second electric capacity C2 feed-in institutes in a manner of coupling feed-in
State the first FD feed and form GPS/Compass antennas, wherein second FD feed is GNSS radiofrequency signals.Described second
Switching switch SW2 comprises at least the first toggle path and the second toggle path, and first toggle path passes through one first matching
Circuit M1 is connected with the ground plane 370, and second toggle path passes through one second match circuit M2 and the ground plane 370
Connection.First toggle path and second toggle path include the two states that are turned on or off, and cut when described first
When changing path conducting, second antenna 320 is grounded by the first match circuit M1, when second toggle path turns on
It is that second antenna 320 is grounded by the second match circuit M2.It is appreciated that the second switching switch SW2 may be used also
Including the 3rd toggle path, the 4th toggle path, the n-th (n>4) toggle path, the 3rd toggle path, the 4th switching road, the
N toggle paths pass through the 3rd match circuit (not shown), the 4th match circuit (not shown), the n-th match circuit Mn and institute respectively
State ground plane 370 to connect, different match circuits be connected to switch SW2 switchings second antenna 320 by the switching,
So as to provide different grounding paths for second antenna 320, to extend the frequency band range of second antenna 320.At this
In embodiment, the second switching switch SW2 is all four switches, and it includes the first toggle path, the second toggle path, the 3rd
Toggle path and the 4th toggle path, each toggle path are connected by match circuit corresponding to one and the ground plane 370
Connect, each match circuit includes an inductance or an electric capacity.The second switching switch SW2 can switch to the first switching road
Footpath, the second toggle path, the 3rd toggle path or the 4th toggle path are respectively turned on, and form four kinds of different working conditions, with
And switch to first toggle path, the second toggle path, the 3rd toggle path and the 4th toggle path and disconnect, form the
Five kinds of working conditions.By switching five kinds of different working conditions of the second switch SW2, so that second antenna
320 working frequency range covering 729-960MHz and 1805-2690MHz.3rd FD feed described in the feed-in of third antenna 330
Wi-Fi/ Bluetooth antennas are formed, wherein the 3rd FD feed is WLAN radiofrequency signals.
First separator 380 is arranged between the first gap S1 and the ground plane 370, and with the ground connection
Face 370 connects.First separator 380 is used to lift the isolation between the first antenna 310 and second antenna 320
Degree.Second separator 390 is arranged between the second gap S2 and the ground plane 370, and with the ground plane 370
Connection.Second separator 390 is used to lift the isolation between second antenna 320 and the third antenna 330.
In the present embodiment, first separator 380 is the camera module metal reinforcement part of the communication terminal, itself and the ground plane
370 connect as one formula metal structure.Second separator 390 is the outsourcing PCB of the earphone base pad of the communication terminal
Cabling, it is electrically connected with the ground plane 370 with most short path.First separator 380 and the ground plane 370 it
Between impedance be less than 1 ohm；And the impedance between second separator 390 and the ground plane 370 is less than 1 ohm.It is described
First gap S1 and the second gap S2 width is 1mm or so.The first antenna 310, the second antenna 320 and the 3rd day
Isolation is realized by first separator 380 and second separator 390 ground connection between line 330, so that described the
Between one antenna 310, the second antenna 320 and third antenna 330 when the first gap S1 and the second gap S2 is 1mm or so
Still there is preferable isolation.
Referring to Fig. 4, fourth embodiment of the invention provides a kind of communication terminal 400, including first embodiment of the invention institute
The antenna system 100 stated.The antenna system 100, which includes the antenna system, includes first antenna 110, the second antenna 120, the
Triantennary 130, the first signal source 140, secondary signal source 150, the 3rd signal source 160, ground plane 170, the first separator 180 and
Second separator 190, the first antenna 110 is electrically connected with first signal source 140 and the ground plane 170, described
Second antenna 120 is electrically connected with the secondary signal source 150 and the ground plane 170, the third antenna 130 and described the
Three signal sources 160 and the ground plane 170 are electrically connected with, and is formed between the first antenna 110 and second antenna 120
One gap S1, the second gap S2, first separator 180 are formed between second antenna 120 and the third antenna 130
It is arranged between the first gap S1 and the ground plane 170, and is connected with the ground plane 170, for lifts described
Isolation between one antenna 110 and second antenna 120, second separator 190 are arranged at the second gap S2
It is connected between the ground plane 170, and with the ground plane 170, for lifting second antenna 120 and described 3rd day
Isolation between line 130.
Wherein, the first antenna 110, the second antenna 120 and third antenna 130 form loop aerial structure respectively.Institute
State the first signal source 140 and be used to be the first antenna 110 the first FD feed of offer；The secondary signal source 150 is used for
Second antenna 120 provides the second FD feed；3rd signal source 160 is used to provide for the third antenna 130
Three FD feeds；The ground plane 170, which is used to provide for the first antenna 110, the second antenna 120 and third antenna 130, to be connect
Ground acts on.It is appreciated that the first antenna 110, the second antenna 120 and third antenna 130 can be by the communication terminal
400 metal edge frame cuts to be formed or independently of the antenna structure outside the frame of the communication terminal 400, i.e. institute
The communication terminal 400 that antenna system 100 is not only suitable for having plastic cement frame is stated, is also applied for the communication terminal with metal center
400。
Wherein, the first antenna 110 electrically connects close to one end of the first gap S1 and first signal source 140
Connect, the one end of the first antenna 110 away from the first gap S1 is connected with the ground plane 170；Second antenna 120
It is electrically connected with close to one end of the second gap S2 with the secondary signal source 150, second antenna 120 is away from described the
Two gap S2 one end is connected with the ground plane 170；The third antenna 130 is close to one end of the second gap S2 and institute
State the 3rd signal source 160 to be electrically connected with, the one end of the third antenna 130 away from the second gap S2 and the ground plane
170 connections.
Wherein, the communication terminal 400 also includes camera module metal reinforcement part and the outsourcing PCB of earphone base pad is walked
Line.First separator 180 be the communication terminal 400 camera module metal reinforcement part, first separator 180 with
The ground plane 170 connects as one formula metal structure.Second separator 190 is the earphone base of the communication terminal 400
The outsourcing PCB trace of pad, second separator 190 are electrically connected with the ground plane 170 with most short path.
It is appreciated that the communication terminal 400 may also comprise antenna system 200 as described in the second embodiment of the present invention or
Antenna system 300 described in third embodiment of the invention.Wherein, the description of the antenna system 100,200,300 refer to as
Description in embodiment corresponding to Fig. 1, Fig. 2 or Fig. 3, repeat no more in the present embodiment.
The antenna system by the camera module metal reinforcement part of the communication terminal by being arranged to first isolation
Part, and the outsourcing PCB trace of the earphone base pad of the communication terminal is arranged to second separator, to pass through described
One separator and the second separator lift the isolation between the first antenna, the second antenna and third antenna, described to take the photograph
As the outsourcing PCB trace of module metal reinforcement part and earphone base pad is the universal architecture of the communication terminal, distinguished
First separator and the second separator are multiplexed with, without extra increase antenna system space-consuming, and there is preferable day
Line isolation effect.
The above disclosed right for being only presently preferred embodiments of the present invention, the present invention can not being limited with this certainly
Scope, one of ordinary skill in the art will appreciate that all or part of flow of above-described embodiment is realized, and according to right of the present invention
It is required that the equivalent variations made, still fall within and invent covered scope.
Claims (10)
- A kind of 1. antenna system, applied to communication terminal, for launching and receiving wireless communication signals, it is characterised in that described Antenna system includes first antenna, the second antenna, third antenna, the first signal source, secondary signal source, the 3rd signal source, first Separator, the second separator and ground plane, the first antenna are electrically connected with first signal source and the ground plane, institute State the second antenna and the secondary signal source and the ground plane be electrically connected with, the third antenna and the 3rd signal source and The ground plane is electrically connected with, and forms the first gap between the first antenna and second antenna, second antenna with The second gap is formed between the third antenna, first gap and second gap are filled by non-conducting material, will The first antenna, the second antenna and third antenna connect into an entirety；First separator is arranged between described first Between gap and the ground plane, and it is connected with the ground plane, for being lifted between the first antenna and second antenna Isolation, second separator is arranged between second gap and the ground plane, and is connected with the ground plane, For lifting the isolation between second antenna and the third antenna, wherein, first distance piece is the communication The camera module metal reinforcement part of terminal, second distance piece are walked for the outsourcing PCB of the earphone base pad of the communication terminal Line.
- 2. antenna system as claimed in claim 1, it is characterised in that the first antenna, the second antenna and third antenna point Not Xing Cheng loop aerial structure, first signal source is used to provide the first FD feed for the first antenna, described second Signal source is used to provide the second FD feed for second antenna, and the 3rd signal source is used to provide for the third antenna 3rd FD feed；The ground plane is used to provide ground connection effect for the first antenna, the second antenna and third antenna.
- 3. antenna system as claimed in claim 2, it is characterised in that the first antenna is close to the one end in first gap It is electrically connected with first signal source, the one end of the first antenna away from first gap is connected with the ground plane； Second antenna is electrically connected with close to the one end in second gap and the secondary signal source, and second antenna is away from institute The one end for stating the second gap is connected with the ground plane；The third antenna is close to the one end in second gap and the described 3rd Signal source is electrically connected with, and the one end of the third antenna away from second gap is connected with the ground plane.
- 4. antenna system as claimed in claim 3, it is characterised in that the antenna system also includes the first switching switch and the One electric capacity, the first switching switch is in parallel with first electric capacity, and the first antenna is close to the one end in first gap It is electrically connected with by the described first switching switch and first electric capacity with first signal source；When the described first switching switch During conducting, the first antenna directly obtains the first FD feed from first signal source, when the described first switching switch is disconnected When opening, the first antenna obtains the first feed-in in a manner of coupling feed-in first electric capacity from first signal source Signal.
- 5. antenna system as claimed in claim 3, it is characterised in that the antenna system also includes the second switching switch and the Two electric capacity, the first antenna are electrical by second electric capacity and first signal source close to the one end in first gap Connection, to obtain the first FD feed from first signal source in a manner of coupling feed-in by second electric capacity；It is described The one end of second antenna away from second gap is connected by the described second switching switch with the ground plane, and described second cuts Change switch and comprise at least the first toggle path and the second toggle path, when first toggle path turns on, described second day Line is grounded by first toggle path, and when second toggle path turns on, second antenna passes through described second Toggle path is grounded.
- 6. a kind of communication terminal, including antenna system, it is characterised in that the antenna system include first antenna, the second antenna, Third antenna, the first signal source, secondary signal source, the 3rd signal source, the first separator, the second separator and ground plane, it is described First antenna is electrically connected with first signal source and the ground plane, second antenna and the secondary signal source and institute Ground plane electric connection is stated, the third antenna is electrically connected with the 3rd signal source and the ground plane, described first day The first gap is formed between line and second antenna, the second gap is formed between second antenna and the third antenna, First gap and second gap were filled by non-conducting material, by the first antenna, the second antenna and the 3rd day Line connects into an entirety；First separator is arranged between first gap and the ground plane, and connect with described Ground is connected, and for lifting the isolation between the first antenna and second antenna, second separator is arranged at Between second gap and the ground plane, and it is connected with the ground plane, for lifting second antenna and described the Isolation between triantennary, wherein, first distance piece is the camera module metal reinforcement part of the communication terminal, described Second distance piece is the outsourcing PCB trace of the earphone base pad of the communication terminal.
- 7. communication terminal as claimed in claim 6, it is characterised in that the first antenna, the second antenna and third antenna point Not Xing Cheng loop aerial structure, first signal source is used to provide the first FD feed for the first antenna, described second Signal source is used to provide the second FD feed for second antenna, and the 3rd signal source is used to provide for the third antenna 3rd FD feed；The ground plane is used to provide ground connection effect for the first antenna, the second antenna and third antenna.
- 8. communication terminal as claimed in claim 7, it is characterised in that the first antenna is close to the one end in first gap It is electrically connected with first signal source, the one end of the first antenna away from first gap is connected with the ground plane； Second antenna is electrically connected with close to the one end in second gap and the secondary signal source, and second antenna is away from institute The one end for stating the second gap is connected with the ground plane；The third antenna is close to the one end in second gap and the described 3rd Signal source is electrically connected with, and the one end of the third antenna away from second gap is connected with the ground plane.
- 9. communication terminal as claimed in claim 8, it is characterised in that the antenna system also includes the first switching switch and the One electric capacity, the first switching switch is in parallel with first electric capacity, and the first antenna is close to the one end in first gap It is electrically connected with by the described first switching switch and first electric capacity with first signal source；When the described first switching switch During conducting, the first antenna directly obtains the first FD feed from first signal source, when the described first switching switch is disconnected When opening, the first antenna obtains the first feed-in in a manner of coupling feed-in first electric capacity from first signal source Signal.
- 10. communication terminal as claimed in claim 8, it is characterised in that the antenna system also include second switching switch and Second electric capacity, the first antenna pass through second electric capacity and first signal source electricity close to the one end in first gap Property connection, by by second electric capacity in a manner of coupling feed-in from first signal source obtain the first FD feed；Institute State the one end of the second antenna away from second gap to be connected with the ground plane by the described second switching switch, described second Switching switch comprises at least the first toggle path and the second toggle path, when first toggle path turns on, described second Antenna is grounded by first toggle path, and when second toggle path turns on, second antenna passes through described Two toggle paths are grounded.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510438447.1A CN105140623B (en) | 2015-07-23 | 2015-07-23 | The communication terminal of antenna system and the application antenna system |
| CN201810155807.0A CN108448250B (en) | 2015-07-23 | 2015-07-23 | Antenna system and communication terminal applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510438447.1A CN105140623B (en) | 2015-07-23 | 2015-07-23 | The communication terminal of antenna system and the application antenna system |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810155807.0A Division CN108448250B (en) | 2015-07-23 | 2015-07-23 | Antenna system and communication terminal applying same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105140623A CN105140623A (en) | 2015-12-09 |
| CN105140623B true CN105140623B (en) | 2018-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510438447.1A Expired - Fee Related CN105140623B (en) | 2015-07-23 | 2015-07-23 | The communication terminal of antenna system and the application antenna system |
| CN201810155807.0A Active CN108448250B (en) | 2015-07-23 | 2015-07-23 | Antenna system and communication terminal applying same |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810155807.0A Active CN108448250B (en) | 2015-07-23 | 2015-07-23 | Antenna system and communication terminal applying same |
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| CN (2) | CN105140623B (en) |
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| CN105514577A (en) * | 2016-01-26 | 2016-04-20 | 广东欧珀移动通信有限公司 | Broadband multiple-frequency mobile phone antenna and mobile terminal |
| US11011837B2 (en) | 2016-11-17 | 2021-05-18 | Huawei Technologies Co., Ltd. | Communications terminal |
| WO2018148973A1 (en) * | 2017-02-20 | 2018-08-23 | 华为技术有限公司 | Communication device supporting multiple-input multiple-output technology |
| CN106887678A (en) * | 2017-03-28 | 2017-06-23 | 维沃移动通信有限公司 | A kind of mobile terminal antenna and mobile terminal |
| BR112019020119A2 (en) | 2017-03-29 | 2020-05-12 | Huawei Technologies Co., Ltd. | ANTENNA AND TERMINAL DEVICE |
| CN106921021B (en) * | 2017-03-31 | 2019-05-17 | 维沃移动通信有限公司 | A kind of antenna structure and electronic equipment |
| CN107257016A (en) * | 2017-05-31 | 2017-10-17 | 维沃移动通信有限公司 | A kind of terminal multi-antenna structure and mobile terminal |
| CN107275760B (en) * | 2017-05-31 | 2019-09-27 | 维沃移动通信有限公司 | A kind of terminal multi-antenna structure and mobile terminal |
| CN107257017B (en) * | 2017-05-31 | 2019-10-18 | 维沃移动通信有限公司 | A kind of terminal multi-antenna structure and mobile terminal |
| WO2019033311A1 (en) * | 2017-08-16 | 2019-02-21 | 深圳传音制造有限公司 | Terminal device |
| CN108336483B (en) * | 2018-02-02 | 2021-03-02 | Oppo广东移动通信有限公司 | Antenna assembly, electronic equipment and antenna switching method |
| CN108539379B (en) * | 2018-03-27 | 2019-08-02 | Oppo广东移动通信有限公司 | Antenna system and Related product |
| CN108565561B (en) * | 2018-04-16 | 2021-04-02 | Oppo广东移动通信有限公司 | Antenna assembly and electronic equipment |
| CN108767431B (en) * | 2018-05-14 | 2020-09-22 | Oppo广东移动通信有限公司 | Antenna assembly and electronic equipment |
| CN111668604B (en) * | 2019-03-08 | 2022-07-12 | Oppo广东移动通信有限公司 | Antenna assembly and electronic equipment |
| CN112003013B (en) * | 2020-08-27 | 2021-06-25 | 深圳市锐尔觅移动通信有限公司 | Antenna structure and mobile terminal |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105140623A (en) | 2015-12-09 |
| CN108448250A (en) | 2018-08-24 |
| CN108448250B (en) | 2021-02-09 |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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Granted publication date: 20180327 |